from urllib import request
img_src = 'https://tse3-mm.cn.bing.net/th/id/OIP-C.8tlwbGsJvlNZwGAGL36W8AHaFS?w=201&h=180&c=7&r=0&o=5&pid=1.7'

# 对图片发起请求
# 持久化存储

request.urlretrieve(img_src, './456.png')

